when necessary vs whenever necessary

Both "when necessary" and "whenever necessary" are correct phrases in English. They are used to indicate that something should be done at the appropriate time or when the need arises. The choice between the two depends on the context and personal preference.

Last updated: April 04, 2024 • 1032 views

This phrase is correct and commonly used in English.

"when necessary "

This phrase is used to indicate that something should be done at the appropriate time or when the need arises.

Examples:

Please contact me when necessary.
We will provide additional resources when necessary.
You can use the emergency exit when necessary.
I will assist you when necessary.
The team will meet when necessary.

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A dedicated HDR button enables quick mode changes when necessary.
Our transport providers advise our in-house logistics team when necessary.
He arranges scandals, exploits proclivities, assassinates when necessary.
Flashlights, radios - only when necessary.
They require only distilled water when necessary, and can be ruined by propylene glycol.
All these activities are done by expertises, when necessary bilingual, using the software Zucchetti.
Dilute with a cup of water when necessary.
As regards this pool is always clean when necessary.
You should protect the nation's interests, when necessary.
He knew how to confront them when necessary.
I'm all for progress when necessary.
Because messages are retransmitted only when necessary, this reduces the use of bandwidth.
So, we introduced this new utility that will keep watching BlueMagnet and reboot your computer when necessary.
Practice poses for the red carpet, become an environmentalist, but still fly private when necessary.
HARMONY RE- BALANCING prepares the skin to the specific service that will be executed later (when necessary).
Grimes here was resourceful and quick to action when necessary.
Based in Luxembourg, this institution will support euro area countries when necessary to safeguard financial stability.
Knives and forks should be kept in a separate box, removing them only when necessary.
It is also possible to hide, re-order and delete channels when necessary.
First we treat, IF and when necessary.

Alternatives:

if necessary
as needed
when needed
as required
as necessary

This phrase is correct and commonly used in English.

"whenever necessary"

This phrase is also used to indicate that something should be done at the appropriate time or when the need arises, with a slight emphasis on the frequency of occurrence.

Examples:

Please feel free to call me whenever necessary.
We will conduct training sessions whenever necessary.
You can ask for help whenever necessary.
I will be available to assist you whenever necessary.
The team will meet in person whenever necessary.

Show examples from the web [+]

Member States shall ensure that medical assistance is provided whenever necessary.
An adjacent dedicated entrance allows, whenever necessary, isolating the pavilion from the rest of complex.
AIFMs shall review the risk management systems with appropriate frequency at least once a year and adapt them whenever necessary.
As far as document formats are concerned, the Commission has developed solutions in order to ensure interoperability or, whenever necessary, conversion.
Demand proof or evidence, whenever necessary.
Stainless steel frame machines and washdown components in compliance with NEMA 4 standards are offered whenever necessary.
In addition, in its Political Dialogue meetings and other diplomatic contacts with third countries, Human Rights problems are, whenever necessary, raised.
Within the framework of such networks immigration liaison officers are to meet regularly and, whenever necessary, exchange information and cooperate on a number of issues.
The terms 'proceeds' and 'instrumentalities' used in this Framework Decision are sufficiently broadly defined to include objects of offences whenever necessary.
A list of exempted public bodies and central banks of third countries should be set out and reviewed whenever necessary.
The AIFM shall review the risk management systems at least once a year and adapt it, whenever necessary.
The Commission then consulted Member States on their submission of emissions data and whenever necessary, requested additional clarifications.
The ECB shall update the Annex of this Regulation whenever necessary.
The worker(s) and/or agency(ies) must work together whenever necessary.
The representatives from other authorities (customs, border control, etc.) are invited to participate whenever necessary.
Given the flexibility provided for by GATS, new commitments can, whenever necessary, be underpinned by specific reservations to deal with emergency situations.
whenever necessary, set up ad hoc working parties.
Each country should implement measures to protect against aggressive exports by systematically checking and monitoring imported goods and resorting to safeguard clauses whenever necessary.
Ephorate of antiques of barrier, whenever necessary.
Write, run errands, induce vomiting whenever necessary.

Alternatives:

whenever needed
as required
as necessary
if necessary
as needed

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